#!/bin/sh

# Runs the installed *dupes* binary and the built binary and compares
# the output for sameness. Also displays timing statistics.

ERR=0

# Detect installed program type (fdupes or jdupes)
if [ -z "$ORIG_DUPE" ]
	then ORIG_DUPE=false
	jdupes -v 2>/dev/null >/dev/null && ORIG_DUPE=jdupes
	fdupes -v 2>/dev/null >/dev/null && ORIG_DUPE=fdupes
	test ! -z "$WINDIR" && "$WINDIR/jdupes.exe" -v 2>/dev/null >/dev/null && ORIG_DUPE="$WINDIR/jdupes.exe"
fi

if [ ! $ORIG_DUPE -v 2>/dev/null >/dev/null ]
	then echo "Cannot run installed jdupes or fdupes"
	exit 1
fi

test ! -e ./jdupes && echo "Build jdupes first, silly" && exit 1

echo -n "Installed $ORIG_DUPE:"
sync
time $ORIG_DUPE -nq "$@" > installed_output.txt || ERR=1
echo -en "\nBuilt jdupes:"
sync
time ./jdupes -nq "$@" > built_output.txt || ERR=1
diff -Nau installed_output.txt built_output.txt
if [ -e jdupes-standalone ]
	then
	echo -en "\nBuilt jdupes-standalone:"
	sync
	time ./jdupes-standalone -nrq "$@" > built_output.txt || ERR=1
	diff -Nau installed_output.txt built_output.txt
fi

rm -f installed_output.txt built_output.txt
test "$ERR" != "0" && echo "Errors were returned during execution"